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macOS 11

Why is my Mac’s Gatekeeper data so out of date?

When you check the version of Gatekeeper data on a new Mac, why should it show one which was pushed by Apple nearly 5 years ago for El Capitan?

March 6, 2021 Macs, Technology

Time Machine to APFS: Evolution

How Time Machine has changed since it appeared in 2007, and how backing up to APFS volumes is different now it’s available in Big Sur.

March 4, 2021 Macs, Technology

What has changed in macOS, and why it matters

Users need to know what changes in each update to macOS, as it may fix existing bugs and introduce new ones. Here’s how I work out what has changed, and its limitations.

March 2, 2021 Macs, Technology

Is APFS doing its job? Big Sur edition

APFS is almost 4 years old, and set out to solve the problem of accumulation of minor errors which has plagued HFS+. Has it?

March 1, 2021 Macs, Technology

Last Week on My Mac: Users are losing out against Big Sur’s sealed System

macOS 11.2, 11.2.1 and 11.2.2 have come in quick succession. What do they tell us about how difficult it is to update Big Sur’s sealed System volume? Is this the way to go?

February 28, 2021 Macs, Technology

Big Sur 11.2.2 still doesn’t fix bugs with M1 external bootable disks

T T Read More

Is it possible to update a bootable external SSD connected to an M1 Mac from 11.2.1 to 11.2.2? A quest through nearly 60 GB of macOS updates in less than 4 weeks.

February 27, 2021 Macs, Technology

Apple has released Big Sur 11.2.2, an urgent fix for some MBP and MBA models (updated)

Apple has just released an update to Big Sur, bringing it to version 11.2.2. This is an urgent […]

February 25, 2021 Macs, Technology, Updates

More App Store update problems

When the App Store keeps refusing to install an update, there’s a limited range of solutions. Sometimes the traditional fix works best.

February 24, 2021 Macs, Technology

How to run apps in private

Certificate revocation checks in macOS could be misused in surveillance. How could you prevent that without putting your Mac at risk?

February 23, 2021 Macs, Technology

Code-signing requirements for scripts and apps in Big Sur

Does Big Sur require you to sign your own apps or other code using a proper Apple-issued signature? What about notarization and quarantine? Your questions answered.

February 18, 2021 Macs, Technology

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